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Difference between revisions of "RPS Megabit Drive 3"
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| − | {{Stub}} | + | __NOTOC__{{Stub}} |
| − | + | ==Purpose== | |
| − | + | The goal of this drive is to search for primes of the form {{Kbn|k|n}} for {{Vk}} ≤ 300 and {{Vn}} > 1400000. | |
| − | + | ||
| − | + | ==Started== | |
| − | * | + | *2014-05-30 |
| − | * | + | |
| − | + | ==Ended== | |
| + | *2022-03-09 | ||
| + | |||
| + | =={{Vk}}-values== | ||
:'''2014-05-30''': {{Vk}} = 203, 205, 219, 227, 235, 257, 259 | :'''2014-05-30''': {{Vk}} = 203, 205, 219, 227, 235, 257, 259 | ||
:'''2014-06-03''': adding {{Vk}} = 275, 295 | :'''2014-06-03''': adding {{Vk}} = 275, 295 | ||
:'''All for drive:''' {{Vk}} = 203, 205, 219, 227, 235, 257, 259, 275, 295 | :'''All for drive:''' {{Vk}} = 203, 205, 219, 227, 235, 257, 259, 275, 295 | ||
| − | |||
==Data table== | ==Data table== | ||
| − | All {{Vk}}'s searched for | + | All {{Vk}}'s searched for 1400000 ≤ {{Vn}} ≤ 2222000. |
{| class="wikitable" | {| class="wikitable" | ||
| − | ! {{Vk}}-value !! [[Nash weight|Nash]] !! prime(s) for {{Vn}} | + | ! {{Vk}}-value !! [[Nash weight|Nash]] !! Candidates !! prime(s) for {{Vn}} |
|- | |- | ||
| − | | [[Riesel prime 2 203|203]] || {{GP|Riesel prime 2 203|RNash}} || | + | | [[Riesel prime 2 203|203]] || {{GP|Riesel prime 2 203|RNash}} || 23371 || |
|- | |- | ||
| − | | [[Riesel prime 2 205|205]] || {{GP|Riesel prime 2 205|RNash}} || 1537779, 1666435 | + | | [[Riesel prime 2 205|205]] || {{GP|Riesel prime 2 205|RNash}} || 19486 || 1537779, 1666435 |
|- | |- | ||
| − | | [[Riesel prime 2 219|219]] || {{GP|Riesel prime 2 219|RNash}} || 2178673 | + | | [[Riesel prime 2 219|219]] || {{GP|Riesel prime 2 219|RNash}} || 14363 || 2178673 |
|- | |- | ||
| − | | [[Riesel prime 2 227|227]] || {{GP|Riesel prime 2 227|RNash}} || | + | | [[Riesel prime 2 227|227]] || {{GP|Riesel prime 2 227|RNash}} || 34112 || |
|- | |- | ||
| − | | [[Riesel prime 2 235|235]] || {{GP|Riesel prime 2 235|RNash}} || 1718787, 1824515, 2163273 | + | | [[Riesel prime 2 235|235]] || {{GP|Riesel prime 2 235|RNash}} || 21706 || 1718787, 1824515, 2163273 |
|- | |- | ||
| − | | [[Riesel prime 2 257|257]] || {{GP|Riesel prime 2 257|RNash}} || 1658254, 2108554 | + | | [[Riesel prime 2 257|257]] || {{GP|Riesel prime 2 257|RNash}} || 26086 || 1658254, 2108554 |
|- | |- | ||
| − | | [[Riesel prime 2 259|259]] || {{GP|Riesel prime 2 259|RNash}} || 1695723 | + | | [[Riesel prime 2 259|259]] || {{GP|Riesel prime 2 259|RNash}} || 21162 || 1695723 |
|- | |- | ||
| − | | [[Riesel prime 2 275|275]] || {{GP|Riesel prime 2 275|RNash}} || 1846390 | + | | [[Riesel prime 2 275|275]] || {{GP|Riesel prime 2 275|RNash}} || 22195 || 1846390 |
|- | |- | ||
| − | | [[Riesel prime 2 295|295]] || {{GP|Riesel prime 2 295|RNash}} || 1832129 | + | | [[Riesel prime 2 295|295]] || {{GP|Riesel prime 2 295|RNash}} || 16545 || 1832129 |
|} | |} | ||
==Range history== | ==Range history== | ||
| + | |||
| + | ==External Links== | ||
| + | *[https://www.mersenneforum.org/showthread.php?t=19398 Thread] at [[MersenneForum]] | ||
| + | |||
{{Navbox Riesel Prime Search}} | {{Navbox Riesel Prime Search}} | ||
[[Category:RPS Megabit Drive 3| ]] | [[Category:RPS Megabit Drive 3| ]] | ||
Revision as of 07:18, 7 May 2024
|
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Purpose
The goal of this drive is to search for primes of the form k•2n-1 for k ≤ 300 and n > 1400000.
Started
- 2014-05-30
Ended
- 2022-03-09
k-values
- 2014-05-30: k = 203, 205, 219, 227, 235, 257, 259
- 2014-06-03: adding k = 275, 295
- All for drive: k = 203, 205, 219, 227, 235, 257, 259, 275, 295
Data table
All k's searched for 1400000 ≤ n ≤ 2222000.
| k-value | Nash | Candidates | prime(s) for n |
|---|---|---|---|
| 203 | 1687 | 23371 | |
| 205 | 1351 | 19486 | 1537779, 1666435 |
| 219 | 1069 | 14363 | 2178673 |
| 227 | 2550 | 34112 | |
| 235 | 1563 | 21706 | 1718787, 1824515, 2163273 |
| 257 | 1867 | 26086 | 1658254, 2108554 |
| 259 | 1561 | 21162 | 1695723 |
| 275 | 1581 | 22195 | 1846390 |
| 295 | 1266 | 16545 | 1832129 |
